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source: palm/trunk/SOURCE/data_output_mask.f90 @ 2699

Last change on this file since 2699 was 2696, checked in by kanani, 7 years ago
Merge of branch palm4u into trunk
Property svn:keywords set to `Id`
File size: 24.2 KB

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1	!> @file data_output_mask.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 1997-2017 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: data_output_mask.f90 2696 2017-12-14 17:12:51Z kanani $
27	!
28	!
29	! 2292 2017-06-20 09:51:42Z schwenkel
30	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
31	! includes two more prognostic equations for cloud drop concentration (nc)
32	! and cloud water content (qc).
33	!
34	! 2101 2017-01-05 16:42:31Z suehring
35	!
36	! 2031 2016-10-21 15:11:58Z knoop
37	! renamed variable rho to rho_ocean and rho_av to rho_ocean_av
38	!
39	! 2000 2016-08-20 18:09:15Z knoop
40	! Forced header and separation lines into 80 columns
41	!
42	! 1980 2016-07-29 15:51:57Z suehring
43	! Bugfix, in order to steer user-defined output, setting flag found explicitly
44	! to .F.
45	!
46	! 1976 2016-07-27 13:28:04Z maronga
47	! Output of radiation quantities is now done directly in the respective module
48	!
49	! 1960 2016-07-12 16:34:24Z suehring
50	! Separate humidity and passive scalar
51	!
52	! 2016-03-06 18:36:17Z raasch
53	! name change of netcdf routines and module + related changes,
54	! switch back of netcdf data format moved from time integration routine to here
55	!
56	! 1691 2015-10-26 16:17:44Z maronga
57	! Added output of radiative heating rates for RRTMG
58	!
59	! 1682 2015-10-07 23:56:08Z knoop
60	! Code annotations made doxygen readable
61	!
62	! 1585 2015-04-30 07:05:52Z maronga
63	! Added support for RRTMG
64	!
65	! 1438 2014-07-22 14:14:06Z heinze
66	! +nr, qc, qr
67	!
68	! 1359 2014-04-11 17:15:14Z hoffmann
69	! New particle structure integrated.
70	!
71	! 1353 2014-04-08 15:21:23Z heinze
72	! REAL constants provided with KIND-attribute
73	!
74	! 1327 2014-03-21 11:00:16Z raasch
75	!
76	!
77	! 1320 2014-03-20 08:40:49Z raasch
78	! ONLY-attribute added to USE-statements,
79	! kind-parameters added to all INTEGER and REAL declaration statements,
80	! kinds are defined in new module kinds,
81	! revision history before 2012 removed,
82	! comment fields (!:) to be used for variable explanations added to
83	! all variable declaration statements
84	!
85	! 1318 2014-03-17 13:35:16Z raasch
86	! barrier argument removed from cpu_log,
87	! module interfaces removed
88	!
89	! 1092 2013-02-02 11:24:22Z raasch
90	! unused variables removed
91	!
92	! 1036 2012-10-22 13:43:42Z raasch
93	! code put under GPL (PALM 3.9)
94	!
95	! 1031 2012-10-19 14:35:30Z raasch
96	! netCDF4 without parallel file support implemented
97	!
98	! 1007 2012-09-19 14:30:36Z franke
99	! Bugfix: calculation of pr must depend on the particle weighting factor,
100	! missing calculation of ql_vp added
101	!
102	! 410 2009-12-04 17:05:40Z letzel
103	! Initial version
104	!
105	! Description:
106	! ------------
107	!> Masked data output in netCDF format for current mask (current value of mid).
108	!------------------------------------------------------------------------------!
109	SUBROUTINE data_output_mask( av )
110
111
112
113	#if defined( __netcdf )
114	USE arrays_3d, &
115	ONLY: e, nc, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho_ocean, s, sa, &
116	tend, u, v, vpt, w
117
118	USE averaging, &
119	ONLY: e_av, lpt_av, nc_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, &
120	qc_av, ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, &
121	rho_ocean_av, s_av, sa_av, u_av, v_av, vpt_av, w_av
122
123	USE cloud_parameters, &
124	ONLY: l_d_cp, pt_d_t
125
126	USE control_parameters, &
127	ONLY: cloud_physics, domask, domask_no, domask_time_count, mask_i, &
128	mask_j, mask_k, mask_size, mask_size_l, mask_start_l, &
129	max_masks, message_string, mid, nz_do3d, simulated_time
130	USE cpulog, &
131	ONLY: cpu_log, log_point
132
133	USE indices, &
134	ONLY: nbgp, nxl, nxr, nyn, nys, nzb, nzt
135
136	USE kinds
137
138	USE NETCDF
139
140	USE netcdf_interface, &
141	ONLY: id_set_mask, id_var_domask, id_var_time_mask, nc_stat, &
142	netcdf_data_format, netcdf_handle_error
143
144	USE particle_attributes, &
145	ONLY: grid_particles, number_of_particles, particles, &
146	particle_advection_start, prt_count
147
148	USE pegrid
149
150	USE radiation_model_mod, &
151	ONLY: radiation, radiation_data_output_mask
152
153	IMPLICIT NONE
154
155	INTEGER(iwp) :: av !<
156	INTEGER(iwp) :: ngp !<
157	INTEGER(iwp) :: i !<
158	INTEGER(iwp) :: if !<
159	INTEGER(iwp) :: j !<
160	INTEGER(iwp) :: k !<
161	INTEGER(iwp) :: n !<
162	INTEGER(iwp) :: netcdf_data_format_save !<
163	INTEGER(iwp) :: psi !<
164	INTEGER(iwp) :: sender !<
165	INTEGER(iwp) :: ind(6) !<
166
167	LOGICAL :: found !<
168	LOGICAL :: resorted !<
169
170	REAL(wp) :: mean_r !<
171	REAL(wp) :: s_r2 !<
172	REAL(wp) :: s_r3 !<
173
174	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
175	#if defined( __parallel )
176	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
177	#endif
178	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
179
180	!
181	!-- Return, if nothing to output
182	IF ( domask_no(mid,av) == 0 ) RETURN
183
184	CALL cpu_log (log_point(49),'data_output_mask','start')
185
186	!
187	!-- Parallel netcdf output is not tested so far for masked data, hence
188	!-- netcdf_data_format is switched back to non-paralell output.
189	netcdf_data_format_save = netcdf_data_format
190	IF ( netcdf_data_format == 5 ) netcdf_data_format = 3
191	IF ( netcdf_data_format == 6 ) netcdf_data_format = 4
192
193	!
194	!-- Open output file.
195	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
196	CALL check_open( 200+mid+av*max_masks )
197	ENDIF
198
199	!
200	!-- Allocate total and local output arrays.
201	#if defined( __parallel )
202	IF ( myid == 0 ) THEN
203	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
204	ENDIF
205	#endif
206	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
207	mask_size_l(mid,3)) )
208
209	!
210	!-- Update the netCDF time axis.
211	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
212	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
213	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
214	(/ simulated_time /), &
215	start = (/ domask_time_count(mid,av) /), &
216	count = (/ 1 /) )
217	CALL netcdf_handle_error( 'data_output_mask', 460 )
218	ENDIF
219
220	!
221	!-- Loop over all variables to be written.
222	if = 1
223
224	DO WHILE ( domask(mid,av,if)(1:1) /= ' ' )
225	!
226	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
227	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. if > 1 ) THEN
228	DEALLOCATE( local_pf )
229	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
230	mask_size_l(mid,3)) )
231	ENDIF
232	!
233	!-- Set flag to steer output of radiation, land-surface, or user-defined
234	!-- quantities
235	found = .FALSE.
236	!
237	!-- Store the variable chosen.
238	resorted = .FALSE.
239	SELECT CASE ( TRIM( domask(mid,av,if) ) )
240
241	CASE ( 'e' )
242	IF ( av == 0 ) THEN
243	to_be_resorted => e
244	ELSE
245	to_be_resorted => e_av
246	ENDIF
247
248	CASE ( 'lpt' )
249	IF ( av == 0 ) THEN
250	to_be_resorted => pt
251	ELSE
252	to_be_resorted => lpt_av
253	ENDIF
254
255	CASE ( 'nc' )
256	IF ( av == 0 ) THEN
257	to_be_resorted => nc
258	ELSE
259	to_be_resorted => nc_av
260	ENDIF
261
262	CASE ( 'nr' )
263	IF ( av == 0 ) THEN
264	to_be_resorted => nr
265	ELSE
266	to_be_resorted => nr_av
267	ENDIF
268
269	CASE ( 'p' )
270	IF ( av == 0 ) THEN
271	to_be_resorted => p
272	ELSE
273	to_be_resorted => p_av
274	ENDIF
275
276	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
277	IF ( av == 0 ) THEN
278	tend = prt_count
279	CALL exchange_horiz( tend, nbgp )
280	DO i = 1, mask_size_l(mid,1)
281	DO j = 1, mask_size_l(mid,2)
282	DO k = 1, mask_size_l(mid,3)
283	local_pf(i,j,k) = tend(mask_k(mid,k), &
284	mask_j(mid,j),mask_i(mid,i))
285	ENDDO
286	ENDDO
287	ENDDO
288	resorted = .TRUE.
289	ELSE
290	CALL exchange_horiz( pc_av, nbgp )
291	to_be_resorted => pc_av
292	ENDIF
293
294	CASE ( 'pr' ) ! mean particle radius (effective radius)
295	IF ( av == 0 ) THEN
296	IF ( simulated_time >= particle_advection_start ) THEN
297	DO i = nxl, nxr
298	DO j = nys, nyn
299	DO k = nzb, nz_do3d
300	number_of_particles = prt_count(k,j,i)
301	IF (number_of_particles <= 0) CYCLE
302	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
303	s_r2 = 0.0_wp
304	s_r3 = 0.0_wp
305	DO n = 1, number_of_particles
306	IF ( particles(n)%particle_mask ) THEN
307	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
308	grid_particles(k,j,i)%particles(n)%weight_factor
309	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
310	grid_particles(k,j,i)%particles(n)%weight_factor
311	ENDIF
312	ENDDO
313	IF ( s_r2 > 0.0_wp ) THEN
314	mean_r = s_r3 / s_r2
315	ELSE
316	mean_r = 0.0_wp
317	ENDIF
318	tend(k,j,i) = mean_r
319	ENDDO
320	ENDDO
321	ENDDO
322	CALL exchange_horiz( tend, nbgp )
323	ELSE
324	tend = 0.0_wp
325	ENDIF
326	DO i = 1, mask_size_l(mid,1)
327	DO j = 1, mask_size_l(mid,2)
328	DO k = 1, mask_size_l(mid,3)
329	local_pf(i,j,k) = tend(mask_k(mid,k), &
330	mask_j(mid,j),mask_i(mid,i))
331	ENDDO
332	ENDDO
333	ENDDO
334	resorted = .TRUE.
335	ELSE
336	CALL exchange_horiz( pr_av, nbgp )
337	to_be_resorted => pr_av
338	ENDIF
339
340	CASE ( 'pt' )
341	IF ( av == 0 ) THEN
342	IF ( .NOT. cloud_physics ) THEN
343	to_be_resorted => pt
344	ELSE
345	DO i = 1, mask_size_l(mid,1)
346	DO j = 1, mask_size_l(mid,2)
347	DO k = 1, mask_size_l(mid,3)
348	local_pf(i,j,k) = &
349	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
350	+ l_d_cp * pt_d_t(mask_k(mid,k)) * &
351	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
352	ENDDO
353	ENDDO
354	ENDDO
355	resorted = .TRUE.
356	ENDIF
357	ELSE
358	to_be_resorted => pt_av
359	ENDIF
360
361	CASE ( 'q' )
362	IF ( av == 0 ) THEN
363	to_be_resorted => q
364	ELSE
365	to_be_resorted => q_av
366	ENDIF
367
368	CASE ( 'qc' )
369	IF ( av == 0 ) THEN
370	to_be_resorted => qc
371	ELSE
372	to_be_resorted => qc_av
373	ENDIF
374
375	CASE ( 'ql' )
376	IF ( av == 0 ) THEN
377	to_be_resorted => ql
378	ELSE
379	to_be_resorted => ql_av
380	ENDIF
381
382	CASE ( 'ql_c' )
383	IF ( av == 0 ) THEN
384	to_be_resorted => ql_c
385	ELSE
386	to_be_resorted => ql_c_av
387	ENDIF
388
389	CASE ( 'ql_v' )
390	IF ( av == 0 ) THEN
391	to_be_resorted => ql_v
392	ELSE
393	to_be_resorted => ql_v_av
394	ENDIF
395
396	CASE ( 'ql_vp' )
397	IF ( av == 0 ) THEN
398	IF ( simulated_time >= particle_advection_start ) THEN
399	DO i = nxl, nxr
400	DO j = nys, nyn
401	DO k = nzb, nz_do3d
402	number_of_particles = prt_count(k,j,i)
403	IF (number_of_particles <= 0) CYCLE
404	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
405	DO n = 1, number_of_particles
406	IF ( particles(n)%particle_mask ) THEN
407	tend(k,j,i) = tend(k,j,i) + &
408	particles(n)%weight_factor / &
409	prt_count(k,j,i)
410	ENDIF
411	ENDDO
412	ENDDO
413	ENDDO
414	ENDDO
415	CALL exchange_horiz( tend, nbgp )
416	ELSE
417	tend = 0.0_wp
418	ENDIF
419	DO i = 1, mask_size_l(mid,1)
420	DO j = 1, mask_size_l(mid,2)
421	DO k = 1, mask_size_l(mid,3)
422	local_pf(i,j,k) = tend(mask_k(mid,k), &
423	mask_j(mid,j),mask_i(mid,i))
424	ENDDO
425	ENDDO
426	ENDDO
427	resorted = .TRUE.
428	ELSE
429	CALL exchange_horiz( ql_vp_av, nbgp )
430	to_be_resorted => ql_vp_av
431	ENDIF
432
433	CASE ( 'qv' )
434	IF ( av == 0 ) THEN
435	DO i = 1, mask_size_l(mid,1)
436	DO j = 1, mask_size_l(mid,2)
437	DO k = 1, mask_size_l(mid,3)
438	local_pf(i,j,k) = &
439	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
440	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
441	ENDDO
442	ENDDO
443	ENDDO
444	resorted = .TRUE.
445	ELSE
446	to_be_resorted => qv_av
447	ENDIF
448
449	CASE ( 'qr' )
450	IF ( av == 0 ) THEN
451	to_be_resorted => qr
452	ELSE
453	to_be_resorted => qr_av
454	ENDIF
455
456	CASE ( 'rho_ocean' )
457	IF ( av == 0 ) THEN
458	to_be_resorted => rho_ocean
459	ELSE
460	to_be_resorted => rho_ocean_av
461	ENDIF
462
463	CASE ( 's' )
464	IF ( av == 0 ) THEN
465	to_be_resorted => s
466	ELSE
467	to_be_resorted => s_av
468	ENDIF
469
470	CASE ( 'sa' )
471	IF ( av == 0 ) THEN
472	to_be_resorted => sa
473	ELSE
474	to_be_resorted => sa_av
475	ENDIF
476
477	CASE ( 'u' )
478	IF ( av == 0 ) THEN
479	to_be_resorted => u
480	ELSE
481	to_be_resorted => u_av
482	ENDIF
483
484	CASE ( 'v' )
485	IF ( av == 0 ) THEN
486	to_be_resorted => v
487	ELSE
488	to_be_resorted => v_av
489	ENDIF
490
491	CASE ( 'vpt' )
492	IF ( av == 0 ) THEN
493	to_be_resorted => vpt
494	ELSE
495	to_be_resorted => vpt_av
496	ENDIF
497
498	CASE ( 'w' )
499	IF ( av == 0 ) THEN
500	to_be_resorted => w
501	ELSE
502	to_be_resorted => w_av
503	ENDIF
504
505	CASE DEFAULT
506
507	!
508	!-- Radiation quantity
509	IF ( radiation ) THEN
510	CALL radiation_data_output_mask(av, domask(mid,av,if), found, &
511	local_pf )
512	ENDIF
513
514	!
515	!-- User defined quantity
516	IF ( .NOT. found ) THEN
517	CALL user_data_output_mask(av, domask(mid,av,if), found, &
518	local_pf )
519	ENDIF
520
521	resorted = .TRUE.
522
523	IF ( .NOT. found ) THEN
524	WRITE ( message_string, * ) 'no output available for: ', &
525	TRIM( domask(mid,av,if) )
526	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
527	ENDIF
528
529	END SELECT
530
531	!
532	!-- Resort the array to be output, if not done above
533	IF ( .NOT. resorted ) THEN
534	DO i = 1, mask_size_l(mid,1)
535	DO j = 1, mask_size_l(mid,2)
536	DO k = 1, mask_size_l(mid,3)
537	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
538	mask_j(mid,j),mask_i(mid,i))
539	ENDDO
540	ENDDO
541	ENDDO
542	ENDIF
543
544	!
545	!-- I/O block. I/O methods are implemented
546	!-- (1) for parallel execution
547	!-- a. with netCDF 4 parallel I/O-enabled library
548	!-- b. with netCDF 3 library
549	!-- (2) for serial execution.
550	!-- The choice of method depends on the correct setting of preprocessor
551	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
552	!-- netcdf_data_format.
553	#if defined( __parallel )
554	#if defined( __netcdf4_parallel )
555	IF ( netcdf_data_format > 4 ) THEN
556	!
557	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
558	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
559	id_var_domask(mid,av,if), &
560	local_pf, &
561	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
562	mask_start_l(mid,3), domask_time_count(mid,av) /), &
563	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
564	mask_size_l(mid,3), 1 /) )
565	CALL netcdf_handle_error( 'data_output_mask', 461 )
566	ELSE
567	#endif
568	!
569	!-- (1) b. Conventional I/O only through PE0
570	!-- PE0 receives partial arrays from all processors of the respective mask
571	!-- and outputs them. Here a barrier has to be set, because otherwise
572	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
573	CALL MPI_BARRIER( comm2d, ierr )
574
575	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
576	IF ( myid == 0 ) THEN
577	!
578	!-- Local array can be relocated directly.
579	total_pf( &
580	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
581	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
582	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
583	= local_pf
584	!
585	!-- Receive data from all other PEs.
586	DO n = 1, numprocs-1
587	!
588	!-- Receive index limits first, then array.
589	!-- Index limits are received in arbitrary order from the PEs.
590	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
591	comm2d, status, ierr )
592	!
593	!-- Not all PEs have data for the mask
594	IF ( ind(1) /= -9999 ) THEN
595	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
596	( ind(6)-ind(5)+1 )
597	sender = status(MPI_SOURCE)
598	DEALLOCATE( local_pf )
599	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
600	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
601	MPI_REAL, sender, 1, comm2d, status, ierr )
602	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
603	= local_pf
604	ENDIF
605	ENDDO
606
607	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
608	id_var_domask(mid,av,if), total_pf, &
609	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
610	count = (/ mask_size(mid,1), mask_size(mid,2), &
611	mask_size(mid,3), 1 /) )
612	CALL netcdf_handle_error( 'data_output_mask', 462 )
613
614	ELSE
615	!
616	!-- If at least part of the mask resides on the PE, send the index
617	!-- limits for the target array, otherwise send -9999 to PE0.
618	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
619	mask_size_l(mid,3) > 0 ) &
620	THEN
621	ind(1) = mask_start_l(mid,1)
622	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
623	ind(3) = mask_start_l(mid,2)
624	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
625	ind(5) = mask_start_l(mid,3)
626	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
627	ELSE
628	ind(1) = -9999; ind(2) = -9999
629	ind(3) = -9999; ind(4) = -9999
630	ind(5) = -9999; ind(6) = -9999
631	ENDIF
632	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
633	!
634	!-- If applicable, send data to PE0.
635	IF ( ind(1) /= -9999 ) THEN
636	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
637	ierr )
638	ENDIF
639	ENDIF
640	!
641	!-- A barrier has to be set, because otherwise some PEs may proceed too
642	!-- fast so that PE0 may receive wrong data on tag 0.
643	CALL MPI_BARRIER( comm2d, ierr )
644	#if defined( __netcdf4_parallel )
645	ENDIF
646	#endif
647	#else
648	!
649	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
650	!-- data and writes them directly to file.
651	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
652	id_var_domask(mid,av,if), &
653	local_pf, &
654	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
655	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
656	mask_size_l(mid,3), 1 /) )
657	CALL netcdf_handle_error( 'data_output_mask', 463 )
658	#endif
659
660	if = if + 1
661
662	ENDDO
663
664	!
665	!-- Deallocate temporary arrays.
666	DEALLOCATE( local_pf )
667	#if defined( __parallel )
668	IF ( myid == 0 ) THEN
669	DEALLOCATE( total_pf )
670	ENDIF
671	#endif
672
673	!
674	!-- Switch back to original format given by user (see beginning of this routine)
675	netcdf_data_format = netcdf_data_format_save
676
677	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
678	#endif
679
680	END SUBROUTINE data_output_mask

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